#!/usr/bin/env python
# -*- coding: utf-8 -*-h

# @Time     :2022/03/04
# @Author   :Changshu
# @File     :Exercise9.py
# 9. 回文数

if __name__ == '__main__':
	# print(11/10)
	# print(11//10)
	# print(21/10)
	# print(21//10)
	# print(123456%(10**6))
	# print(123456//(10**6))
	# print(11//2)

	# for i in range(0):
	# 	print(i)

	print((121%100)//10)